Side load constant force counterbalance system
US9115522B2 · kind B2 · utility
7Cited by
14References
26Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 17, 2013 |
| Grant date | Aug 25, 2015 |
| Priority date | — |
| Expiry date | Jun 17, 2033 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE05D13/1276
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A side load constant force window balance assembly is disclosed. The balance assembly has a spring member, a spring housing, and a carrier module. The spring housing and carrier module are coupled to the spring member. The carrier module is configured to support a portion of a window sash and has an engagement feature configured to selectively engage the window frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.